CN109109568A - Overlength drive shaft and preparation method thereof - Google Patents
Overlength drive shaft and preparation method thereof Download PDFInfo
- Publication number
- CN109109568A CN109109568A CN201810819668.7A CN201810819668A CN109109568A CN 109109568 A CN109109568 A CN 109109568A CN 201810819668 A CN201810819668 A CN 201810819668A CN 109109568 A CN109109568 A CN 109109568A
- Authority
- CN
- China
- Prior art keywords
- drive shaft
- overlength
- bevel gear
- socket
- sole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/121—Power-transmission from drive shaft to hub
- B60B35/122—Power-transmission from drive shaft to hub using gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/124—Mounting of coil springs
- B60G2204/1242—Mounting of coil springs on a damper, e.g. MacPerson strut
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/02—Trucks; Load vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/10—Damping action or damper
Abstract
The present invention relates to a kind of overlength drive shafts and preparation method thereof, affiliated drive shaft technical field, including sole, sole bottom end is equipped with overlength drive shaft assembly, overlength drive shaft assembly side is equipped with several with the mutually movable drive axle touched of overlength drive shaft assembly, overlength drive shaft assembly includes drive shaft, several support frames to socket-connect with drive shaft are equipped in drive shaft between sole, in the middle part of drive shaft and end is respectively equipped with to socket-connect bevel gear I with drive shaft, bevel gear I is meshed with drive axle, bumper and absorbing shock part upper end is equipped with the fixed plate mutually fixed with sole, bumper and absorbing shock part lower end is equipped with the bearing block with the mutually movable socket of drive shaft.The overlength drive shaft, the feature that its structure is simple, torque is big, driving is laborsaving and service life is long, improve the stability and handling in vehicle operation, preparation method solve the problems, such as degree of disturbing deformation, the bounce of axis, shear stress overload, service life it is short, reduce processing cost.
Description
Technical field
The present invention relates to drive shaft technical fields, and in particular to a kind of overlength drive shaft and preparation method thereof.
Background technique
After we start truck, engine can generate power, and power is transmitted to gearbox, and power passes through gearbox
In gear convert slow-speed of revolution high-torque power for the small torque power of high revolving speed, then driving rear axle is passed to by transmission shaft, driven
Dynamic rear axle drives driving rear wheel, and then a vehicle just moves.Pickup truck generally uses engine behind front wheel forerunner,
Large truck uses front-engine rear-drive, and the power that vehicle consumes when load-carrying is more is excessive, and driving stability is poor.
The shortcomings that front-wheel drive, is: it is responsible for Vehicular turn since front-wheel had not only been responsible for driving vehicle, front axle overload, this
So that the vehicle of front-wheel drive front center of gravity when excessively curved can move forward because of inertia, it is easy to break through the traction of front-wheel, and
Rear-wheel does not have power again, then can occur understeer, i.e. our push tops for being commonly called as.
The shortcomings that rear wheel drive is: manufacturing cost is higher, space utilization is inconvenient, while when turning, if rear-wheel
Revolving speed is higher than front-wheel, the case where ovdersteering, i.e. whipping described in us will occurs.
When truck zero load and full load, vehicular drive capability how is preferably realized, enhance vehicle turning stability, eliminate
The security risk of truck traveling, increases economic efficiency.
Summary of the invention
Driving force consumption is big, kinetic energy conversion ratio is low, degree of disturbing deflection is big present invention mainly solves existing in the prior art and
The unstable deficiency of axial runout, provides overlength drive shaft and preparation method thereof, the overlength drive shaft, and structure is simple, power
The feature that square is big, driving is laborsaving and service life is long, improves the stability in vehicle operation and handling, preparation method
It solves the problems, such as that degree of disturbing deformation, the bounce of axis, shear stress overload, service life are short, reduces processing cost.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals:
A kind of overlength drive shaft, including sole, the sole bottom end are equipped with overlength drive shaft assembly, and the overlength is driven
Moving axis component side is equipped with several with the mutually movable drive axle touched of overlength drive shaft assembly, the overlength drive shaft assembly
Including drive shaft, several support frames to socket-connect with drive shaft, the drive are equipped in the drive shaft between sole
In the middle part of moving axis and end is respectively equipped with to socket-connect bevel gear I with drive shaft, and the bevel gear I is meshed with drive axle；
The support frame includes bumper and absorbing shock part, and the bumper and absorbing shock part upper end is equipped with the fixation mutually fixed with sole
Plate, the bumper and absorbing shock part lower end are equipped with the bearing block with the mutually movable socket of drive shaft, the bearing block and drive shaft
Between be equipped with rolling bearing.
Drive shaft is fixed on sole lower end using the socket mode of rolling bearing by support frame, and support frame plays drive shaft
To support and buffer function, drive shaft rotation carries out power transmitting by the movable drive drive axle of bevel gear I.Bumper and absorbing shock part
It realizes buffering effect of the support frame in load-carrying and road bump, improves degree of the disturbing intensity and rotating coaxial degree of drive shaft, reduce
The fatigue accumulation of axial runout and shear stress makes drive shaft torque transmit upper consumption and reduces, extends drive shaft use
Service life.
Preferably, the drive axle includes bevel gear II, the bevel gear II touches with I phase shift of bevel gear,
II back of bevel gear is equipped with annular piston oil cylinder, and the annular piston oil cylinder end face is equipped with and annular piston oil cylinder
The transmission shaft of identical axle center socket.
According to surface conditions and loading capacity, it is meshed and divides with bevel gear I by annular piston oil cylinder driving bevel gear II
From, reduce vehicle zero load when kinetic energy consumption；And ensure bumpy road and when overloaded, enhance vehicle turning stability, eliminates card
The security risk of vehicle traveling.
Preferably, the coning the gear wheel of the awl of the bevel gear I and bevel gear II is 45 degree.
Bevel gear I and bevel gear II realize the vertical angle transmission of driving force, guarantee I He of bevel gear in 45 degree of taper engagements
The validity that bevel gear II cooperates.
Preferably, the bumper and absorbing shock part includes several buffer stoppers, the buffer stopper end face and fixed plate bottom
Mutually fixed, the buffer stopper outer wall is equipped with the buffering cylinder body with the mutually sealed interlocking of buffer stopper, the buffering cylinder body upper end
Equipped with the buffer spring to socket-connect with buffer stopper, the buffering inner chamber of cylinder block bottom is equipped with pressure detector.
Buffer stopper is used fills water and buffer stopper sealing interlocking in cushion dashpot body, is transmitted by the pressure that buffer stopper is born
Flexible buffer is carried out to pressurized water.The pressure value that the intracorporal water of cushion dashpot is just given birth to after being pressurized is collected by the pressure detector of bottom
And it is sent to onboard system, the engagement and isolated combining form of bevel gear I and bevel gear II are realized according to pressure condition.Work as pressure
Power is excessive, increases buffer spring auxiliary buffer stopper and realizes bumper and absorbing shock, the final annular flange buffered in the middle part of cylinder body is to buffer stopper
It is limited, preventing hydraulic pressure from uprushing influences the service life of bumper and absorbing shock part.Drive shaft generates when driving drive axle synchronous rotary
Heat, play the effect of heat dissipation by water energy, alleviate damage of the fever to driving member, extend service life.
Preferably, the preparation method following steps of the overlength drive shaft carry out:
Step 1: the machine-shaping of drive shaft: the drive shaft blank of length 10m~15m slightly add using turnning and milling technique
Work, Vehicle Processing outer wall goes reserved margin to reach required size again after the drive shaft progress modifier treatment that roughing is completed, according to peace
Dress demand has milled gear keyway, and Vehicle Processing gear circlip annular groove and bearing snap spring annular groove.
Step 2: the machine-shaping of support frame: bearing block is forged by die sinking, successively equidistant installation on bearing block
Bumper and absorbing shock part, the bumper and absorbing shock part upper end be fixedly connected with the consistent fixed plate of bearing block length and width, by rolling bearing
It is scarfed in bearing block.
Step 3: the molding assembly of drive axle: the piston end surface connection of bevel gear II and annular piston oil cylinder in integrated,
Transmission shaft is fixedly connected with annular piston oil cylinder tail end, one end of transmission shaft and the external ball cage of universal joint phase spline on wheel
Formula socket.
Step 4: it the welding fabrication of sole: carries out being welded into 15m~20m long sole, slot with channel steel and rectangle steel
Welding groove between steel and rectangle steel is 45 degree, equidistantly increases gusset in channel steel.
Step 5: whole assembly: by the assembly of several support frames and sole bottom, drive shaft successively with several support frames,
Several bevel gears I and several drive axles socket-connect, then by the jump-ring slot in circlip card and drive shaft to several support frames and
Several bevel gears I fix.
Preferably, buffering inner chamber of cylinder block bore hole and being equipped with bulge loop limiting buffer block, buffer stopper is contacted with buffering cylinder body
Outer wall is sealed equipped with sealing element, and height is lower than buffer stopper upper surface when buffer spring assembles, and buffer stopper is in cushion dashpot body
Effective travel be 35mm~50mm.
Buffer spring plays the speed for slowing down buffer stopper by drops, and bulge loop limits buffer stopper in cushion dashpot body, prevents
It is pressurized and excessive is directly urged to buffering cylinder base.Sealing element is sealed buffer stopper and cushion dashpot contact level, guarantees buffering
Water does not ooze out influence buffering effect in cylinder body.
The present invention can reach following effect:
When the vehicle is unladen, pressure value is small in bumper and absorbing shock part, and drive shaft does not rotate, and bevel gear I is all in bevel gear II
Discrete state, vehicle only need to meet operation by front-wheel drive；When vehicle semi-load or climbing, pressure value in bumper and absorbing shock part
Become larger and numerical value range between, the bevel gear I in the middle part of drive shaft engages with bevel gear II, the bevel gear I of tail portion and bevel gear
II separated state, drive shaft rotation drive the wheel at middle part to increase vehicle power；When the vehicle is fully laden, bumper and absorbing shock part internal pressure
Power numerical value all engages in the middle part of drive shaft with the bevel gear I of tail portion with bevel gear II close to peak value, and drive shaft rotation drives all
Rear-wheel carries out power drive to vehicle.According to vehicle load and surface conditions, vehicle power driving is effectively adjusted, it is unnecessary to reduce
Energy consumption, improve the stability and handling in vehicle operation.
The present invention provides overlength drive shafts and preparation method thereof, compared with prior art, the simple, torque with structure
Greatly, the advantage for driving laborsaving and service life long improves stability in vehicle operation and handling, is driven by overlength
The preparation method of moving axis realizes the preparation method that overlength drive shaft uses vehicle traction.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is of the invention to face partial schematic diagram.
Fig. 3 is the connection schematic diagram of the drive shaft and drive axle in the present invention.
Fig. 4 is the schematic diagram of the support frame in the present invention.
Fig. 5 is the cross-sectional view of the bumper and absorbing shock part in the present invention.
In figure: sole 1, overlength drive shaft assembly 2, drive axle 3, support frame 4, drive shaft 5, bevel gear I 6, transmission shaft
7, annular piston oil cylinder 8, bevel gear II 9, fixed plate 10, bumper and absorbing shock part 11, bearing block 12, rolling bearing 13, buffer stopper
14, buffer spring 15 buffers cylinder body 16, pressure detector 17.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment: as shown, a kind of overlength drive shaft, including sole 1, it is characterised in that: 1 bottom end of sole is equipped with
Overlength drive shaft assembly 2, overlength drive shaft assembly 2 include drive shaft 5, and 5 middle part of drive shaft and end are respectively equipped with and drive shaft 5
Socket-connect bevel gear I 6, and bevel gear I 6 is meshed with drive axle 3, is equipped with 4 sets and drive shaft 5 in drive shaft 5 between sole 1
The support frame 4 to socket-connect, support frame 4 include bumper and absorbing shock part 11, and bumper and absorbing shock part 11 includes the buffering of a pair of symmetrical distribution
Block 14,14 end face of buffer stopper are mutually fixed with 10 bottom of fixed plate, and 14 outer wall of buffer stopper is equipped with and the mutually sealed interlocking of buffer stopper 14
Buffering cylinder body 16, buffering 16 upper end of cylinder body is equipped with the buffer spring 15 that socket-connects with buffer stopper 14, buffers bottom of chamber in cylinder body 16
Portion is equipped with pressure detector 17, and 11 upper end of bumper and absorbing shock part is equipped with the fixed plate 10 fixed with 1 phase of sole, bumper and absorbing shock part 11
Lower end is equipped with the bearing block 12 with the mutually movable socket of drive shaft 5, and rolling bearing 13 is equipped between bearing block 12 and drive shaft 5；
Overlength drive shaft assembly side is equipped with two groups and the mutually movable drive axle 3 touched of overlength drive shaft assembly 2, and drive axle 3 includes
Bevel gear II 9, the bevel gear II 9 touch with I 6 phase shift of bevel gear, and the coning the gear wheel of the awl of bevel gear I 6 and bevel gear II 9 is
45 degree, II 9 back of bevel gear is equipped with annular piston oil cylinder 8, and 8 end face of annular piston oil cylinder is equipped with and annular piston oil
The transmission shaft 7 of the identical axle center of cylinder 8 socket.
The preparation method following steps of overlength drive shaft carry out:
Step 1: the machine-shaping of drive shaft 5: carrying out roughing for 5 blank of drive shaft of length 12m using turnning and milling technique,
Vehicle Processing outer wall goes reserved margin to reach required size again after the progress modifier treatment of drive shaft 5 that roughing is completed, according to installation
Demand has milled gear keyway, and Vehicle Processing gear circlip annular groove and bearing snap spring annular groove.
Step 2: the machine-shaping of support frame 4: bearing block 12 is forged by die sinking, between successively waiting on bearing block 12
Away from installation bumper and absorbing shock part 11,11 upper end of bumper and absorbing shock part is fixedly connected with and the consistent fixed plate 10 of 12 length and width of bearing block, general
Rolling bearing 13 is scarfed in bearing block 12；It buffers 16 inner cavity boring of cylinder body and is equipped with bulge loop limiting buffer block 14, buffer stopper 14
The outer wall contacted with buffering cylinder body 16 is sealed equipped with sealing element, and height is lower than 14 upper end of buffer stopper when buffer spring 15 assembles
Face, effective travel of the buffer stopper 14 in buffering cylinder body 16 is 45mm.
Step 3: the molding assembly of drive axle 3: bevel gear II 9 is connect in one with the piston end surface of annular piston oil cylinder 8
Change, transmission shaft 7 is fixedly connected with 8 tail end of annular piston oil cylinder, the external ball cage of universal joint on one end and wheel of transmission shaft 7
The socket of phase spline.
Step 4: the sole 1 for being welded into 16m long, channel steel the welding fabrication of sole 1: are carried out with channel steel and rectangle steel
Welding groove between rectangle steel is 45 degree, equidistantly increases gusset in channel steel.
Step 5: whole assembly: by the assembly of several support frames 4 and 1 bottom of sole, drive shaft 5 is successively supported with four sets
Frame 4, bevel-gear sett I 6 and two groups of drive axles 3 socket-connect, then interior to four sets of branch by the jump-ring slot on circlip card and drive shaft 5
Support 4 and bevel-gear sett I 6 fix.
In conclusion the feature that its structure of the overlength drive shaft is simple, torque is big, driving is laborsaving and service life is long, mentions
Stability in high vehicle operation and handling；The preparation method of the overlength drive shaft solves degree of disturbing deformation, the jump of axis
The short problem of dynamic, shear stress overload, service life, reduces processing cost.
Above is only a specific embodiment of the present invention, but structure feature of the invention is not limited thereto, Ren Heben
Within the field of the present invention, made changes or modifications all cover within the scope of the patent of the present invention the technical staff in field.
Claims (6)
1. a kind of overlength drive shaft, including sole (1), it is characterised in that: sole (1) bottom end drives equipped with overlength
Shaft assembly (2), overlength drive shaft assembly (2) side be equipped with it is several with overlength drive shaft assembly (2) is mutually movable touches
Drive axle (3), the overlength drive shaft assembly (2) includes drive shaft (5), in the drive shaft (5) with sole (1)
Between be equipped with several support frames (4) to socket-connect with drive shaft (5), in the middle part of the drive shaft (5) and end be respectively equipped with and
Drive shaft (5) socket-connects bevel gear I (6), and the bevel gear I (6) is meshed with drive axle (3)；Support frame (4) packet
It includes bumper and absorbing shock part (11), bumper and absorbing shock part (11) upper end is equipped with the fixed plate (10) mutually fixed with sole (1), institute
Bumper and absorbing shock part (11) lower end stated is equipped with the bearing block (12) with drive shaft (5) mutually movable socket, the bearing block
(12) rolling bearing (13) are equipped between drive shaft (5).
2. overlength drive shaft according to claim 1, it is characterised in that: the drive axle (3) includes bevel gear II
(9), the bevel gear II (9) touches with bevel gear I (6) phase shift, and bevel gear II (9) back is equipped with annular piston
Oil cylinder (8), annular piston oil cylinder (8) end face are equipped with the transmission shaft of axle center identical as annular piston oil cylinder (8) socket
(7).
3. overlength drive shaft according to claim 2, it is characterised in that: the bevel gear I (6) and bevel gear II (9)
Coning the gear wheel of the awl be 45 degree.
4. overlength drive shaft according to claim 1, it is characterised in that: the bumper and absorbing shock part (11) includes several slow
It rushes block (14), the buffer stopper (14) end face is mutually fixed with fixed plate (10) bottom, and the buffer stopper (14) outer wall is equipped with
With the buffering cylinder body (16) of buffer stopper (14) mutually sealed interlocking, buffering cylinder body (16) upper end is equipped with and buffer stopper (14)
The buffer spring (15) to socket-connect, buffering cylinder body (16) intracavity bottom are equipped with pressure detector (17).
5. one kind is suitable for overlength drive shaft as claimed in claim 3, it is characterised in that: the preparation side of the overlength drive shaft
Method following steps carry out:
Step 1: the machine-shaping of drive shaft (5): using turnning and milling technique by drive shaft (5) blank of length 10m~15m into
Row roughing, Vehicle Processing outer wall goes reserved margin to reach required ruler again after drive shaft (5) the progress modifier treatment that roughing is completed
It is very little, gear keyway, and Vehicle Processing gear circlip annular groove and bearing snap spring annular groove have been milled according to installation requirements；
Step 2: the machine-shaping of support frame (4): bearing block (12) is forged by die sinking, on bearing block (12) successively etc.
Spacing installs bumper and absorbing shock part (11), and described bumper and absorbing shock part (11) upper end is fixedly connected with consistent with bearing block (12) length and width
Fixed plate (10), rolling bearing (13) is scarfed in bearing block (12)；
Step 3: the molding assembly of drive axle (3): bevel gear II (9) is connect in one with the piston end surface of annular piston oil cylinder (8)
Body, transmission shaft (7) are fixedly connected with annular piston oil cylinder (8) tail end, universal on one end and wheel of transmission shaft (7)
Save the socket of external ball cage phase spline；
Step 4: the welding fabrication of sole (1): being carried out being welded into 15m~20m long sole (1) with channel steel and rectangle steel,
Welding groove between channel steel and rectangle steel is 45 degree, equidistantly increases gusset in channel steel；
Step 5: whole assembly: by several support frames (4) assembly and sole (1) bottom, drive shaft (5) successively with it is several
Support (4), several bevel gears I (6) and several drive axles (3) socket-connect, then pass through the jump-ring slot on circlip card and drive shaft (5)
It is interior that several support frames (4) and several bevel gears I (6) are fixed.
6. the preparation method of overlength drive shaft according to claim 5, it is characterised in that: the bumper and absorbing shock part (11)
Including buffer stopper (14), the buffer stopper (14) outer wall is equipped with the buffering cylinder body with buffer stopper (14) mutually sealed interlocking
(16), buffering cylinder body (16) upper end is equipped with the buffer spring (15) to socket-connect with buffer stopper (14), the cushion dashpot
Body (16) intracavity bottom is equipped with pressure detector (17)；It buffers cylinder body (16) inner cavity boring and is equipped with bulge loop limiting buffer block
(14), the outer wall that buffer stopper (14) is contacted with buffering cylinder body (16) is sealed equipped with sealing element, when buffer spring (15) assembles
Height is lower than buffer stopper (14) upper surface, and effective travel of the buffer stopper (14) in buffering cylinder body (16) is 35mm~50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819668.7A CN109109568B (en) | 2018-07-24 | 2018-07-24 | Ultra-long driving shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819668.7A CN109109568B (en) | 2018-07-24 | 2018-07-24 | Ultra-long driving shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109109568A true CN109109568A (en) | 2019-01-01 |
| CN109109568B CN109109568B (en) | 2021-04-09 |
Family
ID=64863248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810819668.7A Active CN109109568B (en) | 2018-07-24 | 2018-07-24 | Ultra-long driving shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109109568B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111775630A (en) * | 2020-07-29 | 2020-10-16 | 湖南行必达网联科技有限公司 | Transmission system, control method thereof and vehicle |
| CN113417327A (en) * | 2021-06-10 | 2021-09-21 | 中国煤炭科工集团太原研究院有限公司 | Underground storage battery scraper |
| CN117399913A (en) * | 2023-12-15 | 2024-01-16 | 龙口中宇热管理系统科技有限公司 | Engine camshaft processing method with synchronous transmission gear and camshaft |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111775630A (en) * | 2020-07-29 | 2020-10-16 | 湖南行必达网联科技有限公司 | Transmission system, control method thereof and vehicle |
| CN113417327A (en) * | 2021-06-10 | 2021-09-21 | 中国煤炭科工集团太原研究院有限公司 | Underground storage battery scraper |
| CN113417327B (en) * | 2021-06-10 | 2022-07-26 | 中国煤炭科工集团太原研究院有限公司 | Underground storage battery scraper |
| CN117399913A (en) * | 2023-12-15 | 2024-01-16 | 龙口中宇热管理系统科技有限公司 | Engine camshaft processing method with synchronous transmission gear and camshaft |
| CN117399913B (en) * | 2023-12-15 | 2024-02-27 | 龙口中宇热管理系统科技有限公司 | Engine camshaft processing method with synchronous transmission gear and camshaft |
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| CN109109568B (en) | 2021-04-09 |
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